Did anybody smuggle out video of this fight?

Can we put together any guesses to the lore for it?

Way back in the day succubus got replaced with proto ultima to make room for it to be added latter, and the succubus didn't really feel like a filler boss.

These days, all the spots in the alliance dungeons, normal dungeons, and so forth all feel like they are filled.

So, any guesses where it might end up, and when?